Home / 874,011,891.26-1,206,137,705.46-497,668,784.87

Finding the Fourth Proportional to 874,011,891.26, 1,206,137,705.46 and 497,668,784.87

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Solution

The fourth proportional to 874,011,891.26, 1,206,137,705.46 and 497,668,784.87 is: 686,783,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,011,891.26 : 1,206,137,705.46 = 497,668,784.87 : x
  2. Step 2: Convert to fraction form
    874,011,891.26/1,206,137,705.46 = 497,668,784.87/x
  3. Step 3: Cross multiply
    874,011,891.26x = 1,206,137,705.46 × 497,668,784.87
  4. Step 4: Simplify right side
    874,011,891.26x = 600,257,086,263,342,208
  5. Step 5: Solve for x
    x = 600,257,086,263,342,208/874,011,891.26
  6. Step 6: Final answer
    x = 686,783,660.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.